In this charming musical comedy, we find ourselves in the romantic entanglement of Elvira, a wealthy yet insecure lady who wants to find out if her successful businessman husband is being unfaithful. Determined to uncover his supposed betrayal, Elvira decides to embark on a cruise in the hope that the distance will help her gain clarity about her relationship. To do this, she hires a young woman named Georgia, who is the spitting image of Elvira, to take her place at home so she can follow her suspicions without being seen.
Onboard the luxurious ship, Georgia immerses herself in a world of glamour and charm, winning over the passengers and, of course, causing quite a stir. Amidst tangoes and cha-chas, the young woman discovers more about herself and begins to leave her life as an assistant behind, mingling with a diverse group of characters, each with their own secrets and desires.
Elvira, for her part, finds herself on an unexpected adventure, filled with excitement and surprises, while observing the interactions between her husband and a mysterious woman. The duality of the lives of both women intertwines in unexpected ways, leading to a hilarious and romantic conclusion. As the puzzle of love and trust comes together, Elvira and Georgia must confront their own feelings and discover that true romance can blossom in the most unexpected places.